underlays

衬底
常用释义
衬底

例句

1·Mesh underlays for breathability and comfort.

网状透气性和舒适衬垫。

2·This European standard specifies the characteristics of flexible sheets for underlays which are to be used under roof covering of discontinuous roofs.

该欧洲标准规定了用于非连续屋顶覆盖物衬垫的柔性板的特性。